Gray area This shows the end of the worksheet. Titles area This area of the worksheet is frozen while titles are set in the Worksheet menu. Frozen titles area This area of the worksheet is frozen while titles are set in the Worksheet menu. Vertical titles area This area of the worksheet is frozen while titles are set in the Worksheet menu. Horizontal titles area This area of the worksheet is frozen while titles are set in the Worksheet menu. Row sizer To change the height of the row above, drag this sizer. Column sizer To change the width of the column to the left, drag this sizer. Title cells row number Title cells column letter Row number To select the entire row, click this number. Column letter To select the entire column, click this letter. Sheet letter Displays this sheet at the front of the window. Does not move the active cell. Sheet pop-up menu Use this menu to display different sheets in a multi-sheet document. Worksheet cells To select cells, click a cell or drag over a range. To use in-cell editing, double-click the cell you want to edit.